jodi arias says she killed her boyfriend, travis alexander, because she feared for her life. the prosecution says it was a love story that ended in murder. >> she rewarded that love by sticking a knife in his chest. >> reporter: for two months a phoenix jury has heard the steamy details of their relationship. this tawdry tale is set against the backdrop of a religion. travis was mormon and had taken a vow of chastity. >> jodi represent ed the decisin of going after someone he was physically attracted to whereas some other girls represented settling down and having a nice, stereotipp stereotippical relationship. >> reporter: they broke up and friends say jodi became confessed. >> travis confided in us, she snoops through my e-mails, through my house. she checks up on me constantly. >> reporter: when travis was found, stabbed and shot to death, his friends told police, look for jodi. she denied everything. >> you're trying to cover it up, because that's you, all of you. >> it looks like me. >> reporter: police showed her explicit photos they found at the crime scene proving she